The ST8522 Square Kilometre

ST8522 National Grid Square

Based in the South West English Region.

The ST8522 square kilometre intersects with the settlement of Shaftesbury.

ST8522 is within the post town of Shaftesbury, Dorset.

The square is within Dorset council.

The Point of Origin (0,0) is 403.87 Kilometres away. This is where the National Grid starts around 80 kilometres west of the Isles of Scilly.

Ordnance Survey Maps for ST8522

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Map Series	link	Ordnance Survey
Explorer 1:25,000 118 Shaftesbury, Cranbourne Chase, Poole, Wimbourne Minster and Blandford	Shop for this map on amazon.co.uk	Buy Direct from the Ordnance Survey
Landranger 1:50,000 183 Yeovil & Frome	Shop for this map on amazon.co.uk	Buy Direct from the Ordnance Survey

This extract is taken from the Ordnance Survey six-inch to the mile series surveyed from 1888-1913. The scale is 1:10,560.

The Square overlayed over the map represents the extent of ST8522 and the vertical and horizontal line divides the square into four quadrants

Dividing the ST8522 Square to get a six figure Grid Reference

A helpful reminder for calculating grid references is across the landing and up the stairs.

For example if your house was located in a square that in the fourth square across and sixth square up and you wanted to work out its six figure grid refence.

First, You would divide the four figure grid reference into three parts. ST , 85 and 22

Count across starting with zero. This would give you three. Make a note that X for Across (A Cross) = 3.

Count up starting with zero. This would give you five. Make a note that Y = 5.

So to put it together ST + 85 + 3 + 22 + 5 would give you the six figure grid reference of ST853225

ST	85		22
ST	85	3	22	5

A six figure grid reference would be accurate to 10 metres. To achieve a greater level of accuracy this 10 metre square would be divided into a grid 10 by 10 and the process repeated.

This would produce an 8 figure grid reference that would be accurate to a square metre!

Corner	Latitude	Longitude	Easting	Northing
South West Corner	50.997188	-2.215160	385000	122000
South East Corner	50.997188	-2.200868	386000	122000
North West Corner	51.006206	-2.215160	385000	123000
North East Corner	51.006206	-2.200868	386000	123000